The Amazing Trajectories of Life-Bearing Meteorites from EarthThe asteroid that killed the dinosaurs must have ejected billions of tons of life-bearing rock into space. Now physicists have calculated what must have happened to it.http://www.technologyreview.com/blog/arxiv/27720/

Pioneer Anomaly Solved!With the latest piece of the puzzle just published in a scientific journal, a solar system mystery that has perplexed people for more than 20 years has been solved, truly thanks to the support of Planetary Society members. That mystery is the "Pioneer Anomaly," an anomalous acceleration that affected the two Pioneer spacecraft as they left the solar system. http://planetary.org/blog/article/00003459/